The Circuit Card Assembly, cataloged under National Stock Number 5998-00-237-9937, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Espey Mfg and Electronics Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5998-00-237-9937 |
| Primary Part Number | 51534 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Espey Mfg and Electronics Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 3.0000 lbs |
| Cube | 0.4309 cu ft |
| Part Number | Manufacturer |
|---|---|
| 51534 | Espey Mfg and Electronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 51534 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5998-00-237-9937 is a Circuit Card Assembly, manufactured by Espey Mfg and Electronics Corp, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-00-237-9937 has 1 manufacturer part number on file: 51534 (Espey Mfg and Electronics Corp).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-189-3235, 6532-01-317-0949, 7610-01-557-1292. Verify interchangeability with system specifications before substitution.
Key specifications for 51534: Overall Length: 3.810 INCHES NOMINAL IN; Overall Width: 3.000 INCHES NOMINAL IN; Special Features: CAPACITOR 8,PRINTED WIRING BOARD 1,REACTOR 2; Part Name Assigned by Controlling Agency: FSC APPLICATION DATA: RECEIVER,RADIO,RADIO NAVIGATION,AIRBORNE. 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 5998-00-237-9937 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.