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2057-440-A-7 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2057-440-A-7: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: POST,ELECTRICAL-MECHANICAL EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-263-2061, 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
2057-440-A-7
NSN: 5340-01-263-2061
NIINs: 012632061, 013262050
FSC: 5340 — Hardware, Commercial
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyPOST,ELECTRICAL-MECHANICAL EQUIPMENT
NSN5340-01-263-2061
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2057-440-A-7 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
•
WIDTH ACROSS FLATS: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
•
LENGTH: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
SURFACE TREATMENT: CHROMATE OVERALL
•
MATERIAL: ALUMINUM ALLOY 2011 OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTCHROMATE OVERALL
MATERIALALUMINUM ALLOY 2011 OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
350-7416-07-19-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
HH293440Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
H50-0039-008Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8106-A-0440-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAS1831AC3B08Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
427245-07Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2057-440-A-7?
2057-440-A-7 is a STANDOFF,THREADED,SPACING.
What parts can replace 2057-440-A-7?
There are 6 known substitutes for 2057-440-A-7: 350-7416-07-19-00, HH293440, H50-0039-008 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2057-440-A-7?
2057-440-A-7 is cataloged in the U.S. Government catalog under NSN 5340-01-263-2061. This indicates validated use in U.S. government and defense supply chains.
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