The Grommet,nonmetallic, cataloged under National Stock Number 5325-00-248-7133, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Minor Rubber Co Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-248-7133 |
| Primary Part Number | Z-123 |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Minor Rubber Co Inc |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | ASTMD2000BG515A14B24C32E036F19Z ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | COOLANT RESISTANT AND OIL RESISTANT |
| Large Flange Outside Diameter | 1.000 INCHES NOMINAL IN |
| Color | BLACK OVERALL |
| Groove Outside Diameter | 0.750 INCHES NOMINAL IN |
| Grommet Construction Type | SOLID |
| Material | RUBBER SYNTHETIC OVERALL |
| Groove Width | 0.094 INCHES NOMINAL IN |
| Hole Diameter | 0.625 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 |
|---|---|
| Z-123 PRIMARY | Minor Rubber Co Inc (USA) |
| Reference | Meaning |
|---|---|
| K57421-24 | 5/9 Secondary reference Rca Corp Distributor and Special Products Div |
| K57421-24 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 57421-24 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 57421-24 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 57421-24 | 5/9 Secondary reference Rca Corp Distributor and Special Products Div |
NSN 5325-00-248-7133 is a Grommet,nonmetallic, manufactured by Minor Rubber Co Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-248-7133 has 1 manufacturer part number on file: Z-123 (Minor Rubber Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-499-9800. Verify interchangeability with system specifications before substitution.
Key specifications for Z-123: Overall Height: 0.344 INCHES NOMINAL IN; Grommet Style: ROUND; Flange Thickness: 0.125 INCHES NOMINAL IN; Material Document and Classification: ASTMD2000BG515A14B24C32E036F19Z ASSN 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.