The Pin,spring, cataloged under National Stock Number 5315-00-844-4790, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 23 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5315-00-844-4790 |
| Primary Part Number | 990331-145 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Shear Strength | 1000 DOUBLE POUND |
| Material | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 990331-145 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| MS16562-25 | Goriziane Group Spa (ITA) |
| Reference | Meaning |
|---|---|
| 326264 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
| 411294-3050 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| NAS561-3-8 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 326264 | 5/9 Secondary reference International Business Machines Corp Parts Order Center Dept E - 54 |
| 10122773 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5315008444790 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MS16562-25 | 3/2 Design control — primary reference U.S. Government activity |
| 52-022-094-0500 | 5/9 Secondary reference Harvard Industries Inc |
| MS16562-25 | 5/9 Secondary reference U.S. Government activity |
| NAS561P3-8 | 5/2 Secondary reference U.S. Government activity |
| 322T107 | 5/9 Secondary reference U.S. Government activity |
| 990331-145 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 094-1-2 | 5/9 Secondary reference Essannay Electric Mfg Co |
| 1889-51 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| K0974 | 8/1 NATO reproduction reference Kanakas Th. & G. O.e |
| 0326264 | 5/9 Secondary reference International Business Machines Corp Parts Order Center Dept E - 54 |
| F52-022-094-0500 | 5/9 Secondary reference Harvard Industries Inc |
| 59-022-094-0500 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| NASM16562 | 5/1 Secondary reference U.S. Government activity |
| 990331-145 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
NSN 5315-00-844-4790 is a Pin,spring, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: cancelled.
NSN 5315-00-844-4790 has 2 manufacturer part numbers on file: 990331-145 (L3 Technologies, Inc. Div Communication Systems-East), MS16562-25 (Goriziane Group Spa).
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-844-5644, 5315-00-844-5840. Verify interchangeability with system specifications before substitution.
Key specifications for 990331-145: Surface Treatment Document and Classification: QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5315-00-844-4790 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.