API SPEC 7-2 THREAD GAUGES

Northern Gauge manufactures API 7-2 REG, NC, I.F., F.H, PAC, HEF, MT/AMT, X.H, H90, AOH, SLH90, Wilson Flush WF,  plug and ring gages All working gages are manufactured in full compliance to API 7-2 and fully traceable to API reference masters.

ItemDescription
201.1 NC16 RING GAUGE NON-NIST
202 NC 23 PLUG GAUGE NIM
202.1 NC23 RING GAUGE NIM
203 NC26 2-3/8" IF PLUG GAUGE NIST
204 NC26 2-3/8" IF RING GAUGE NIST
205 NC31 2-7/8" IF PLUG GAUGE NIST
206 NC31 2-7/8" IF RING GAUGE NIST
207 NC35 PLUG GAUGE NIM
208 NC35 RING GAUGE NIM
209 NC38 3-1/2" IF PLUG GAUGE NIST
210 NC38 3-1/2" IF RING GAUGE  NIST
210.1 NC40 4" FH PLUG GAUGE (FULL HOLE) NIST
210.2 NC40 4" FH RING GAUGE (FULL HOLE) NIST
213 NC44 PLUG GAUGE NIM
214 NC44 RING GAUGE NIM
215 NC46 / 4" IF / 4-1/2" XH PLUG GAUGE NIST
216 NC46 / 4" IF / 4-1/2" XH RING GAUGE NIST
217 NC50 / 4.5" IF / 5" XH PLUG GAUGE NIST
218 NC50 / 4.5" IF / 5" XH RING GAUGE NIST
218.1 NC 56 PLUG GAUGE NIM
218.2 NC 56 RING GAUGE NIM
219 5" IF PLUG GAUGE NON-NIST
220 5" IF RING GAUGE NON-NIST
221 5-1/2" IF PLUG GAUGE NIM
222 5-1/2" IF RING GAUGE NIM
222.1 NC 61 PLUG GAUGE NIM
222.2 NC 61 RING GAUGE NIM
222.5 NC 70  PLUG GAUGE NON-NIST
222.6 NC 70  RING GAUGE NON-NIST
222.7 6-5/8" IF (INTERNAL FLUSH) PLUG GAUGE NON-NIST
222.8 6-5/8" IF (INTERNAL FLUSH) RING GAUGE NON-NIST
222.61 NC 77 PLUG GAUGE NON-NIST
222.62 NC 77 RING GAUGE NON-NIST
223 1" MT/AMT / 1" REGULAR ROTARY PLUG GAUGE NIM
224 1" MT/AMT / 1" REGULAR ROTARY RING GAUGE NIM
224.01 1-1/4" MT SPEC 7 RING GAUGE NON NIST
224.1 1-1/4" REGULAR ROTARY PLUG GAUGE NON-NIST
224.2 1-1/4" REGULAR ROTARY RING GAUGE NON-NIST
225 1-1/2" MT/AMT / 1-1/2" REGULAR ROTARY PLUG GAUGE NIM
226 1-1/2" MT/AMT / 1-1/2" REGULAR ROTARY RING GAUGE NIM
227 2-3/8" REGULAR ROTARY PLUG GAUGE NIST
228 2-3/8" REGULAR ROTARY RING GAUGE NIST
229 2-7/8" REGULAR ROTARY PLUG GAUGE NIST
230 2-7/8" REGULAR ROTARY RING GAUGE NIST
231 3-1/2" REGULAR ROTARY PLUG GAUGE NIST
232 3-1/2" REGULAR ROTARY RING GAUGE NIST
233 4 -1/2" REGULAR ROTARY PLUG GAUGE NIST
234 4-1/2" REGULAR ROTARY RING GAUGE NIST
234.5 4-1/2" LH REGULAR PLUG GAUGE
236 5-1/2" REGULAR ROTARY PLUG GAUGE NIST
237 5-1/2" REGULAR ROTARY RING GAUGE NIST
241 6-5/8" REGULAR ROTARY PLUG GAUGE NIST
242 6-5/8" REGULAR ROTARY RING GAUGE NIST
242.5 6-5/8" LH REGULAR PLUG GAUGE
242.6 6-5/8" LH REGULAR RING GAUGE
243 7-5/8" REGULAR ROTARY PLUG GAUGE  NIST
244 7-5/8" REGULAR ROTARY RING GAUGE NIST
245 8-5/8" REGULAR ROTARY PLUG GAUGE NIST
246 8-5/8" REGULAR ROTARY RING GAUGE NIST
248 2-7/8" FH PLUG GAUGE (FULL HOLE) NON-NIST
248.1 2-7/8" FH RING GAUGE (FULL HOLE) NON-NIST
248.2 3-1/2" FH PLUG GAUGE (FULL HOLE) NIM
248.3 3-1/2" FH RING GAUGE (FULL HOLE) NIM
248.6 4-1/2" FH PLUG GAUGE (FULL HOLE) NIST
248.7 4-1/2" FH RING GAUGE (FULL HOLE) NIST
249 5-1/2" FH PLUG GAUGE (FULL HOLE) NIST
250 5-1/2" FH RING GAUGE (FULL HOLE) NIST
250.5 6-5/8" FH PLUG GAUGE (FULL HOLE) NIST
250.6 6-5/8" FH RING GAUGE (FULL HOLE) NIST
250.7 3.5" XH PLUG GAUGE (EXTRA HOLE) NON-NIST
250.8 3.5" XH RING GAUGE (EXTRA HOLE) NON-NIST
251 5-1/2" XH PLUG GAUGE (EXTRA HOLE) NON-NIST
252 5-1/2" XH RING GAUGE (EXTRA HOLE) NON-NIST
256.1 3.5" H90 PLUG GAUGE NIM
256.2 3.5" H90 RING GAUGE NIM
257 4" H90 PLUG GAUGE NIM
258 4" H90 RING GAUGE NIM
259 4.5" H90 PLUG GAUGE NIM
260 4.5" H90 RING GAUGE NIM
261 5" H90 PLUG GAUGE NON-NIST
262 5" H90 RING GAUGE NON-NIST
262.1 5-1/2" H90 PLUG GAUGE NIM
262.2 5-1/2" H90 RING GAUGE NIM
262.3 6-5/8" H90 PLUG GAUGE NON-NIST
262.4 6-5/8" H90 RING GAUGE NON-NIST
263 7" H90 PLUG GAUGE NON-NIST
264 7" H90 RING GAUGE NON-NIST
265 7-5/8" H90 PLUG GAUGE NON-NIST
266 7-5/8" H90 RING GAUGE NON-NIST
266.1 8-5/8" H90 PLUG GAUGE NON-NIST
266.2 8-5/8" H90 RING GAUGE NON-NIST
267 2-3/8" PAC PLUG GAUGE NIM
267.1 2-3/8" PAC RING GAUGE NIM
267.11 2-3/8" PAC LEFT HAND PLUG GAUGE
268 2-7/8" PAC PLUG GAUGE NIM
269 2-7/8" PAC RING GAUGE NIM
269.1 3-1/2" PAC PLUG GAUGE NON-NIST
269.2 3-1/2" PAC RING GAUGE NON-NIST
273.1 2-3/8" AMERICAN OPEN HOLE 'AOH' LW PLUG NON-NIST
273.2 2-3/8" AMERICAN OPEN HOLE 'AOH' LW RING NON-NIST
274 2-7/8" AMERICAN OPEN HOLE 'AOH' LW PLUG NON-NIST
274.1 2-7/8" AMERICAN OPEN HOLE 'AOH' SW PLUG NON-NIST
275 2-7/8" AMERICAN OPEN HOLE 'AOH' LW RING NON-NIST
275.1 2-7/8" AMERICAN OPEN HOLE 'AOH' SW RING NON-NIST
275.2 3-1/2" AMERICAN OPEN HOLE 'AOH' SW PLUG NON-NIST
275.3 3-1/2" AMERICAN OPEN HOLE 'AOH' SW RING NON-NIST
276 4-1/2" AMERICAN OPEN HOLE 'AOH' SW PLUG NON-NIST
277 4-1/2" AMERICAN OPEN HOLE 'AOH' SW RING NON-NIST
278 2-3/8" HEF - HUGHES EXTERNAL FLUSH PLUG GAUGE NON-NIST
279 2-3/8" HEF - HUGHES EXTERNAL FLUSH RING GAUGE NON-NIST
280 2-7/8" HEF - HUGHES EXTERNAL FLUSH PLUG GAUGE NON-NIST
281 2-7/8" HEF - HUGHES EXTERNAL FLUSH RING GAUGE NON-NIST
288 2-3/8" SLIM LINE H90 PLUG GAUGE NIM
289 2-3/8" SLIM LINE H90 RING GAUGE NIM
290 2-7/8" SLIM LINE H90 PLUG GAUGE NIM
291 2-7/8" SLIM LINE H90 RING GAUGE NIM
292 3-1/2" SLIM LINE H90 PLUG GAUGE NON-NIST
293 3-1/2" SLIM LINE H90 RING GAUGE NON-NIST
294.1 1-13/16" WILSON FLUSH JOINT T.J. PLUG GAUGE (OLD)
294.2 1-13/16" WILSON FLUSH JOINT T.J. RING GAUGE (OLD)
294.3 1-13/16" WILSON FLUSH JOINT T.J. PLUG GAUGE (NEW)
294.4 1-13/16" WILSON FLUSH JOINT T.J. RING GAUGE (NEW)
294.5 2-3/8" WILSON FLUSH JOINT T.J. PLUG GAUGE (NEW)
294.6 2-3/8" WILSON FLUSH JOINT T.J. RING GAUGE (NEW)
201.01NC16 PLUG GAUGE NON NIST
224.0000 1-1/4" MT SPEC 7 PLUG GAUGE NON NIST