The Nut,sheet Spring, cataloged under National Stock Number 5310-00-551-4779, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kalmar AC Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-551-4779 |
| Primary Part Number | 921355 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Panel Thickness | 0.112 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Mating Member Diameter Accommodated | 0.312 INCHES NOMINAL IN |
| Nut Length | 1.040 INCHES NOMINAL IN |
| Nut Width | 0.630 INCHES NOMINAL IN |
| Nut Style | SHEET SPRING |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C7511-5618-4 | Tinnerman Palnut Engineered Products, Inc. (USA) |
| 0921355 | Kalmar AC Inc (USA) |
| 921355 PRIMARY | Kalmar AC Inc (USA) |
| 0921355-4 | Kalmar AC Inc (USA) |
| 8PP000-06028-00 | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5310-00-551-4779 is a Nut,sheet Spring, manufactured by Kalmar AC Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-551-4779 has 5 cross-referenced part numbers: C7511-5618-4 (Tinnerman Palnut Engineered Products, Inc.), 0921355 (Kalmar AC Inc), 921355 (Kalmar AC Inc), 0921355-4 (Kalmar AC Inc), 8PP000-06028-00 (Lockheed Martin Corp Electronics and Missiles Div).
There are 2 known substitutes for 5310-00-551-4779: 2510-00-734-2459, 5307-01-470-2317. Verify interchangeability with system specifications before substitution.
Key specifications for 921355: Panel Thickness: 0.112 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Surface Treatment: PHOSPHATE OVERALL; Material: STEEL OVERALL; Mating Member Diameter Accommodated: 0.312 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.