The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-485-7977, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Warfare Ctr Aircraft Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-485-7977 |
| Primary Part Number | 17-20123-1 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| Style Designator | SQUARE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | Z |
| Weight | 0.1000 lbs |
| Cube | 0.0334 cu ft |
| Part Number | Manufacturer |
|---|---|
| 17-20123-1 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
| 19-11-22635-1287 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| 19-11-17201231-1287 | Naval Air Warfare Ctr Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 17-20123 | D/9 Drawing number reference only Naval Air Warfare Ctr Aircraft Div |
NSN 5999-01-485-7977 is a Shielding Gasket,electronic, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-485-7977 has 3 manufacturer part numbers on file: 17-20123-1 (Naval Air Warfare Ctr Aircraft Div), 19-11-22635-1287 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 19-11-17201231-1287 (Naval Air Warfare Ctr Aircraft Div).
3 possible matches (shared part number, not a government interchangeability claim): 5999-01-485-7979, 5999-01-485-7983, 5999-01-485-7990. Verify interchangeability with system specifications before substitution.
Key specifications for 17-20123-1: Style Designator: SQUARE; Overall Length: 15.120 INCHES NOMINAL IN; Special Features: NEXT HIGHER ASSEMBLY AB-1313A/SPN-46(V), PEDESTAL, ANTENNA; 15 BOLT HOLES 0.338 IN.DIAMETER A; End Item Identification: AN/SPN-46(V)1, LANDING SYSTEM, AUTOMATIC CARRIER AND AN/SPN-46(V)3, LANDING SYSTEM, PRECISION APPROACH. 1 specification is 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.