The Felt,mechanical,preformed, cataloged under National Stock Number 5330-00-616-7770, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-616-7770 |
| Primary Part Number | 5X281 |
| Item Name | Felt,mechanical,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.438 INCHES NOMINAL IN |
| Cross-Sectional Width | 1.000 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | SAE F3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 4.750 INCHES NOMINAL IN |
| Aperture Diameter | 3.750 INCHES NOMINAL IN |
| Material | WOOL COMP 16R3 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5X281 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 6167770 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 568481 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| 2031377 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| JT10503 | 5/9 Secondary reference U.S. Government activity |
| 667390 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 353032 | 5/9 Secondary reference White Motor Corp |
| 2031377 | 5/9 Secondary reference General Motors Corp |
NSN 5330-00-616-7770 is a Felt,mechanical,preformed, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-616-7770 has 3 manufacturer part numbers on file: 5X281 (Meritor Heavy Vehicle Systems, Llc), 6167770 (U S Army Tank Automotive Command Amsta-Im-Mm), 568481 (Chrysler Realty Company Llc Dba Daimler Chrysler).
3 possible matches (shared part number, not a government interchangeability claim): 5935-00-683-5295, 2530-00-947-4835, 5360-01-574-8026. Verify interchangeability with system specifications before substitution.
Key specifications for 5X281: Cross-Sectional Height: 0.438 INCHES NOMINAL IN; Cross-Sectional Width: 1.000 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: SAE F3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.