| Item Name | Washer Shouldered And Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-124-1271 (011241271) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Triumph Actuation Systems Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.870 INCHES NOMINAL |
| AAVH | SHOULDER DIAMETER | 0.940 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM |
| ABMG | SHOULDER HEIGHT | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 57.0 DEGREES MINIMUM AND 63.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 5643,COND H1025 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED AND RECESSED |
| Relevant Components for NSN - 5310-01-124-1271, 5310011241271 | ||||
| 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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