The Conduit Outlet, cataloged under National Stock Number 5975-00-533-5053, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Killark Electric Mfg Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-533-5053 |
| Primary Part Number | OLB-2 |
| Item Name | Conduit Outlet |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Killark Electric Mfg Co |
| Status | ACTIVE |
| Cover Mounting Hole Quantity | 2 |
| Cover Quantity | 1 |
| Mounting Method | THREADED FASTENER COVER |
| Cover Opening Width | 1.500 INCHES NOMINAL IN |
| Cover Mounting Surface Type | FLAT |
| Style Designator | OBLONG |
| Cover Mounting Hole Arrangement Style | LINE |
| Trade Designation | LB SERIES |
| Conduit Entrance Type | BOX BODY DRILLED AND TAPPED ALL ENTRANCE |
| Cover Opening Length | 4.594 INCHES NOMINAL IN |
| Conduit Trade Size Accommodated | 0.750 INCHES ALL ENTRANCE IN |
| Conduit Type Accommodated | RIGID METALLIC THINWALL ALL ENTRANCE |
| Material | ALUMINUM-COPPER FREE OVERALL |
| Cover Mounting Gasket Type | SOLID CENTER |
| Hazardous Locations/environmental Protection | CORROSION PROOF |
| 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 |
|---|---|
| OLB-2 PRIMARY | Killark Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| HA1284-3 | 3/2 Design control — primary reference U.S. Government activity |
| 15601 | 5/9 Secondary reference Atlas Technologies Inc |
| LB75A | 3/1 Design control — primary reference Egs Electrical Group Appleton Div |
| RLB-11 | 5/9 Secondary reference Atlas Technologies Inc |
NSN 5975-00-533-5053 is a Conduit Outlet, manufactured by Killark Electric Mfg Co, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-533-5053 has 1 manufacturer part number on file: OLB-2 (Killark Electric Mfg Co).
6 possible matches (shared part number, not a government interchangeability claim): 5315-01-185-8520, 5331-01-244-2878, 5910-01-300-2276. Verify interchangeability with system specifications before substitution.
Key specifications for OLB-2: Cover Mounting Hole Quantity: 2; Cover Quantity: 1; Mounting Method: THREADED FASTENER COVER; Cover Opening Width: 1.500 INCHES NOMINAL IN. 15 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.