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546993 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

546993: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC VINYL OVERALL, groove_width: 0.050 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, hole_diameter: 0.350 INCHES NOMINAL IN, overall_height: 0.656 INCHES MAXIMUM IN, groove_outside_diameter: 1.102 INCHES NOMINAL IN, grommet_construction_type: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-054-6993, 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
546993
NSN: 5331-00-054-6993
NIINs: 000546993, 009290052
FSC: 5331 — O-ring
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialPLASTIC VINYL OVERALL
groove_width0.050 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
hole_diameter0.350 INCHES NOMINAL IN
overall_height0.656 INCHES MAXIMUM IN
groove_outside_diameter1.102 INCHES NOMINAL IN
grommet_construction_typeSOLID
large_flange_outside_diameter1.414 INCHES NOMINAL IN
NSN5331-00-054-6993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 546993 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 9.012 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 8.704 INCHES MINIMUM AND 8.764 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER9.012 INCHES NOMINAL IN
CENTER HOLE DIAMETER8.704 INCHES MINIMUM AND 8.764 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 6
116-7507Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ST036714Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
13-617-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5331PL1361047Reference document
Same NSN cross-reference
Reference document — Informative reference only
AS568B-269Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
13-0617-00Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 546993?
546993 is a O-RING.
What parts can replace 546993?
There are 6 known substitutes for 546993: 116-7507, ST036714, 13-617-2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 546993?
546993 is cataloged in the U.S. Government catalog under NSN 5331-00-054-6993. This indicates validated use in U.S. government and defense supply chains.
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