| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-374-5945 (013745945) |
| NCB Code | USA (01) |
| Manufacturer | Sps Technologies Inc, Alcoa Global Fasteners Inc, Boeing Company The, Lisi Aerospace Canada Corp, Huck International Inc, Fastener Innovation Technology Inc, Hi Shear Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 110179-4-8ASM | sps technologies inc | screw close tolerance | k5673 | RFQ |
| HT8137-4-8ASM | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| ST3M40V4-8ASM | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| ST3M430V4-8ASM | boeing company the | screw close tolerance | 76301 | RFQ |
| HT271A4-8M | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| ST3M40V4-8ASM | sps technologies inc | screw close tolerance | k5673 | RFQ |
| BM33024V4-8UM | huck international inc | screw close tolerance | 17446 | RFQ |
| ST3M430V4-8ASM | huck international inc | screw close tolerance | 17446 | RFQ |
| ST3M430V4-8ASM | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| ST3M40V4-8ASM | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M40V4-8ASM | huck international inc | screw close tolerance | 17446 | RFQ |
| HT271A4-8M | hi shear corporation | screw close tolerance | 73197 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CBBL | FEATURES PROVIDED | DRY FILM LUBRICANT AND O RING |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES THREADS |
| AASB | FASTENER LENGTH | 0.963 INCHES MINIMUM AND 0.990 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.1060 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL OR TITANIUM ALLOY UNS R56440 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| Relevant Components for NSN - 5305-01-374-5945, 5305013745945 | ||||
| 5325-00-489-4951 (5325004894951) | 5305-01-688-2332 (5305016882332) | 5310-01-270-2593 (5310012702593) | 5360-01-362-9775 (5360013629775) | |
| 5305-01-574-2082 (5305015742082) | 5330-00-875-6402 (5330008756402) | 5310-01-166-6682 (5310011666682) | 5325-01-330-8489 (5325013308489) | |
| 5310-01-519-7106 (5310015197106) | 5310-12-130-8939 (5310121308939) | 5331-01-513-1941 (5331015131941) | 5310-01-360-7550 (5310013607550) | |
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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