The Grommet,nonmetallic, cataloged under National Stock Number 5325-01-055-6964, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-055-6964 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.187 INCHES NOMINAL IN |
| Material Document and Classification | 417,GRADE SB515-A1B1C2E3F4 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | COOLANT RESISTANT AND OIL RESISTANT |
| Large Flange Outside Diameter | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN |
| Groove Outside Diameter | 1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN |
| Grommet Construction Type | SOLID |
| Material | RUBBER SYNTHETIC OVERALL |
| Groove Width | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Nonmetallic Hardness Rating | 45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A |
| Hole Diameter | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| BACG20AF14H2 | 5/1 Secondary reference U.S. Government activity |
| MS35489-133 | 2/2 Government specification standardization U.S. Government activity |
| Z-210 | 5/1 Secondary reference Minor Rubber Co Inc |
NSN 5325-01-055-6964 is a Grommet,nonmetallic, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7021-01-600-5774. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-055-6964: Overall Height: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Grommet Style: ROUND; Flange Thickness: 0.187 INCHES NOMINAL IN; Material Document and Classification: 417,GRADE SB515-A1B1C2E3F4 MIL STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.