The Contact,electrical, cataloged under National Stock Number 5999-01-221-1740, 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 Sae International Dba Sae International. Government technical data includes 14 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5999-01-221-1740 |
| Primary Part Number | M39029/112-1-2L |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT |
| Overall Diameter | 0.516 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Mounting Method | FORCE FIT |
| Style Designator | CYLINDRICAL SHAPE |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Material Document and Classification | ASTME 18 ASSN STD SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Specification/standard Data | 96906-MS3348 GOVERNMENT STANDARD |
| Surface Treatment | SILVER BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES SILVER |
| Test Data Document | 96906-MS3348 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Cable Entrance Diameter | 0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 EYELET END OPPOSITE CONTACT |
| 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 | ZZ |
| Weight | 0.0120 lbs |
| Cube | 0.0036 cu ft |
| Part Number | Manufacturer |
|---|---|
| M39029/112-1-2L PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS39029/112 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS39029/112 | 5/9 Secondary reference U.S. Government activity |
| MS3348-1-2L | 3/9 Design control — primary reference U.S. Government activity |
| AS39029/112 | 5/1 Secondary reference Sae International Dba Sae International |
| MS3348-1-2L | 5/9 Secondary reference U.S. Government activity |
| MS3348-1-2L | 5/9 Secondary reference Sae International Dba Sae International |
NSN 5999-01-221-1740 is a Contact,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-221-1740 has 1 manufacturer part number on file: M39029/112-1-2L (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-662-8911, 5999-01-687-2084. Verify interchangeability with system specifications before substitution.
Key specifications for M39029/112-1-2L: Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT; Overall Diameter: 0.516 INCHES NOMINAL IN; Precious Material: SILVER; Mounting Method: FORCE FIT. 14 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.