| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-599-4544 (015994544) |
| NCB Code | USA (01) |
| Manufacturer | West Coast Aerospace Inc, Saturn Fasteners Inc, Houston Precision Fastener L L C, Reid Products Inc, Hi Shear Corporation, Heartland Precision Fasteners In, Valley Todeco Inc, Boeing Company The, B And B Specialties Inc, Camcar Llc, Fastener Innovation Technology Inc, Alcoa Global Fasteners Inc, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| WC1277E4D21A | west coast aerospace inc | bolt close tolerance | 60516 | RFQ |
| 3M1277E4D21A | saturn fasteners inc | bolt close tolerance | 0k6z0 | RFQ |
| 3M1277E4D21A | houston precision fastener l l c | bolt close tolerance | 1vsl7 | RFQ |
| 11861E4D21A | reid products inc | bolt close tolerance | 59563 | RFQ |
| TX1027E4D21A | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| 3M1277E4D21A | heartland precision fasteners in | bolt close tolerance | 0zc92 | RFQ |
| 3M1277E4D21A | valley todeco inc | bolt close tolerance | 06710 | RFQ |
| 3M1277E4D21A | boeing company the | bolt close tolerance | 76301 | RFQ |
| 3M1277E4D21A | b and b specialties inc | bolt close tolerance | 1em77 | RFQ |
| 3M1277E4D21A | camcar llc | bolt close tolerance | 4wl75 | RFQ |
| 3M1277E4D21A | fastener innovation technology inc | bolt close tolerance | 58998 | RFQ |
| TX1027E4D21A | alcoa global fasteners inc | bolt close tolerance | 06950 | RFQ |
| TX1027E4D21A | sps technologies inc | bolt close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.425 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.737 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.3859 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.076 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.2648 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.312 INCHES NOMINAL |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRHC | HOLE CONFIGURATION STYLE | ROUND |
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-87132, TYPE 1, GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-599-4544, 5306015994544 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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