The Fastener,spring Tension,trim, cataloged under National Stock Number 5325-00-734-7780, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-734-7780 |
| Primary Part Number | 520504 |
| Item Name | Fastener,spring Tension,trim |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Head Height | 0.025 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-490 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Fastener Outside Diameter | 0.219 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Largest Prong Width | 0.375 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 1064 OVERALL |
| Fastener Overall Length | 0.660 INCHES NOMINAL IN |
| Length From Head to Largest Prong Width | 0.190 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 520504 | Renk America Llc Div Renk America (USA) |
| Reference | Meaning |
|---|---|
| C20342-025-4 | 3/9 Design control — primary reference Tinnerman Palnut Engineered Products, Inc. |
NSN 5325-00-734-7780 is a Fastener,spring Tension,trim, manufactured by Renk America Llc Div Renk America, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-734-7780 has 1 manufacturer part number on file: 520504 (Renk America Llc Div Renk America).
1 possible match (shared part number, not a government interchangeability claim): 2835-00-896-3519. Verify interchangeability with system specifications before substitution.
Key specifications for 520504: Head Height: 0.025 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-490 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Fastener Outside Diameter: 0.219 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE 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.
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.