The Retainer,electron Tube, cataloged under National Stock Number 5960-00-249-4921, is classified within Federal Supply Class 5960 (Electron Tubes and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5960-00-249-4921 |
| Primary Part Number | 438114-30REVAT |
| Item Name | Retainer,electron Tube |
| FSC / FSG | 5960 / 59 — Electron Tubes and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SLOT SINGLE MOUNTING FACILITY |
| Distance From Retainer Center to Centerline of Mounting Facility | 1.359 INCHES NOMINAL IN |
| Mounting Slot Length | 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Angle Between Mounting Facility and Tension Loop Centerlines in Deg | 222.0 |
| Style Designator | DOUBLE FOOT, CLIP LOCKED TENSION CLAMP |
| Accommodated Item Securing Device Type | CLAMP |
| Angle Between Adjacent Mounting Facilities in Deg | 180.0 |
| Distance From Retainer Center to End of Extended Clip | 1.953 INCHES MAXIMUM IN |
| Inside Diameter | 2.160 INCHES NOMINAL IN |
| Electron Tube Base Accommodated Diameter | +2.142 TO 2.188 INCHES IN |
| Surface Treatment | PASSIVATE |
| Angle Between Mounting Facility and Loop Hinge Centerlines in Deg | 29.0 |
| Material | STEEL CORROSION RESISTING |
| Mounting Slot Width | 0.194 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 438114-30REVAT PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 926G-1 | 5/9 Secondary reference Schroff Inc |
| 438114-30REVAT | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5960-00-249-4921 is a Retainer,electron Tube, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5960, Electron Tubes and Associated Hardware. Status: active.
NSN 5960-00-249-4921 has 1 manufacturer part number on file: 438114-30REVAT (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 2920-00-699-6836. Verify interchangeability with system specifications before substitution.
Key specifications for 438114-30REVAT: Mounting Facility Type and Quantity: 2 SLOT SINGLE MOUNTING FACILITY; Overall Height: 0.750 INCHES NOMINAL IN; Distance From Retainer Center to Centerline of Mounting Facility: 1.359 INCHES NOMINAL IN; Mounting Slot Length: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 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.