The Seal,nonmetallic Strip, cataloged under National Stock Number 5330-01-256-5258, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-256-5258 |
| Primary Part Number | 12351746-2 |
| Item Name | Seal,nonmetallic Strip |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.380 INCHES NOMINAL IN |
| Attachment Feature Quantity | 4 |
| Cross-Sectional Height | 3.000 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.125 INCHES NOMINAL IN |
| Style Designator | STRIP |
| Material Document and Classification | ASTM D2000 2BA720 B13 C12 F19 K31 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| End Cut Angle | 45.0 DEGREES |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL |
| Construction | ONE-PIECE |
| Attachment Method | ROUND HOLE |
| 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 |
|---|---|
| 12351746-2 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| BML64552/40 | Amz Alabama Inc. (USA) |
| BML64552/40 | Bae Systems Land & Armaments L.p. (USA) |
NSN 5330-01-256-5258 is a Seal,nonmetallic Strip, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-256-5258 has 3 manufacturer part numbers on file: 12351746-2 (U S Army Tank Automotive Command Amsta-Im-Mm), BML64552/40 (Amz Alabama Inc.), BML64552/40 (Bae Systems Land & Armaments L.p.).
Key specifications for 12351746-2: Attachment Hole Diameter: 0.380 INCHES NOMINAL IN; Attachment Feature Quantity: 4; Cross-Sectional Height: 3.000 INCHES NOMINAL IN; Cross-Sectional Width: 0.125 INCHES NOMINAL IN. 11 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.