The Liner,antifretting, cataloged under National Stock Number 1680-01-487-2304, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1680-01-487-2304 |
| Primary Part Number | 423RS271-4 |
| Item Name | Liner,antifretting |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 423RS271-4 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 423RS271 | D/9 Drawing number reference only The Boeing Company |
NSN 1680-01-487-2304 is a Liner,antifretting, manufactured by The Boeing Company, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-487-2304 has 1 manufacturer part number on file: 423RS271-4 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-487-2306. Verify interchangeability with system specifications before substitution.
Key specifications for 423RS271-4: Special Features: NHA LINER, ANTI-FETTING PITCH HOUSING ROTARY WING HEAD; DIM 3.4900 X 3.4700 X 3.4600; End Item Identification: H-46. 0 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.
NSN 1680-01-487-2304 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.