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157A681-1 — SLIDE SECTION,DRAWER,EXTENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

157A681-1: SLIDE SECTION,DRAWER,EXTENSION.

The SLIDE SECTION,DRAWER,EXTENSION is a the manufacturer industrial component. Key specifications include width: 0.790 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN, height: 1.105 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061 OVERALL, section_length: 20.455 INCHES NOMINAL IN, mounting_method: COUNTERBORED HOLE, style_designator: 1 - PIECE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-394-0457, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
157A681-1
NSN: 5340-01-394-0457
FSC: 5340 — Hardware, Commercial
CAGE: 52088 — LOCKHEED MARTIN CORPORATION DIV RMS - MANASSAS (USA)
SPECIFICATIONS
width0.790 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
height1.105 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061 OVERALL
section_length20.455 INCHES NOMINAL IN
mounting_methodCOUNTERBORED HOLE
style_designator1 - PIECE
mounting_facility_diameter0.158 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
mounting_facility_quantity6
material_document_and_classificationQQ-A-250/11 T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-394-0457
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 157A681-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING FACILITY DIAMETER: 0.158 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
MOUNTING FACILITY QUANTITY: 6
•
MOUNTING METHOD: COUNTERBORED HOLE
•
STYLE DESIGNATOR: 1 - PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SECTION LENGTH: 20.455 INCHES NOMINAL IN
•
HEIGHT: 1.105 INCHES NOMINAL IN
•
WIDTH: 0.790 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY DIAMETER0.158 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
MOUNTING FACILITY QUANTITY6
MOUNTING METHODCOUNTERBORED HOLE
STYLE DESIGNATOR1 - PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SECTION LENGTH20.455 INCHES NOMINAL IN
HEIGHT1.105 INCHES NOMINAL IN
WIDTH0.790 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 6061 OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157A681-1?
157A681-1 is a SLIDE SECTION,DRAWER,EXTENSION.
What is the NSN for 157A681-1?
157A681-1 is cataloged in the U.S. Government catalog under NSN 5340-01-394-0457. This indicates validated use in U.S. government and defense supply chains.
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