The Block,arrest,lower, cataloged under National Stock Number 5895-00-148-5977, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Spencer Industries Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5895-00-148-5977 |
| Primary Part Number | 547526-151 |
| Item Name | Block,arrest,lower |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL ALUMINUM ALLOY; CHEMICAL FILM FINISH; 1.810 IN. LG; 1.750 IN. W; 0.812 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.1800 lbs |
| Cube | 0.0242 cu ft |
| Part Number | Manufacturer |
|---|---|
| 547526-151 | Spencer Industries Inc (USA) |
| 547526-151 | Alek Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 547526-151 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5895-00-148-5977 is a Block,arrest,lower, manufactured by Spencer Industries Inc, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-00-148-5977 has 2 manufacturer part numbers on file: 547526-151 (Spencer Industries Inc), 547526-151 (Alek Industries Inc).
Key specifications for 547526-151: General Characteristics Item Description: MATERIAL ALUMINUM ALLOY; CHEMICAL FILM FINISH; 1.810 IN. LG; 1.750 IN. W; 0.812 IN. H IN. 1 specification is 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.
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.