The Grommet,nonmetallic, cataloged under National Stock Number 5325-00-038-9997, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Nmc Group, Inc.. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-038-9997 |
| Primary Part Number | NMC557-4A |
| Item Name | Grommet,nonmetallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Nmc Group, Inc. |
| Status | ACTIVE |
| Grommet Style | ROUND |
| Flange Thickness | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Large Flange Outside Diameter | 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| Groove Outside Diameter | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Grommet Construction Type | SPLIT |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Groove Width | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Hole Diameter | 0.240 INCHES MINIMUM AND 0.260 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 |
| Part Number | Manufacturer |
|---|---|
| NMC557-4A PRIMARY | Nmc Group, Inc. (USA) |
NSN 5325-00-038-9997 is a Grommet,nonmetallic, manufactured by Nmc Group, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-038-9997 has 1 manufacturer part number on file: NMC557-4A (Nmc Group, Inc.).
Key specifications for NMC557-4A: Overall Height: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Grommet Style: ROUND; Flange Thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Large Flange Outside Diameter: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN. 8 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.