The Inserter,seal, cataloged under National Stock Number 5120-01-331-1502, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 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 | 5120-01-331-1502 |
| Primary Part Number | GS21639-1 |
| Item Name | Inserter,seal |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Reference Data and Literature | SERD 5666 |
| Diameter | 0.495 INCHES NOMINAL IN |
| Shape | ROUND TAPERED |
| Functional Description | USED TO EXPAND-INSTALL SEALS INTOTHE GROOVE OF THE SLEEVE BORE/F100-PW-100 ACFT ENG |
| Material | PLASTIC POLYAMIDE NYLON |
| Operation Method | NONIMPACT |
| 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 |
|---|---|
| GS21639-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5120-01-331-1502 is a Inserter,seal, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-331-1502 has 1 manufacturer part number on file: GS21639-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for GS21639-1: Reference Data and Literature: SERD 5666; Diameter: 0.495 INCHES NOMINAL IN; Shape: ROUND TAPERED; Overall Length: 7.000 INCHES NOMINAL IN. 6 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.