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NAS1831AC3B08 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NAS1831AC3B08: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 2011 OVERALL, style_designator: INTERNALLY THREADED FULL LENGTH, surface_treatment: CHROMATE OVERALL, width_across_flats: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON. 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
NAS1831AC3B08
NSN: 5340-01-263-2061
FSC: 5340 — Hardware, Commercial
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
length0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
materialALUMINUM ALLOY 2011 OVERALL
style_designatorINTERNALLY THREADED FULL LENGTH
surface_treatmentCHROMATE OVERALL
width_across_flats0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
material_document_and_classificationQQ-A-225/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-01-263-2061
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1831AC3B08 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
2057-440-A7Reference document
Same NSN cross-reference
Reference document — Secondary 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
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 NAS1831AC3B08?
NAS1831AC3B08 is a STANDOFF,THREADED,SPACING.
What parts can replace NAS1831AC3B08?
There are 6 known substitutes for NAS1831AC3B08: 350-7416-07-19-00, HH293440, 2057-440-A7 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1831AC3B08?
NAS1831AC3B08 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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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.