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9598B-B-0256-3 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9598B-B-0256-3: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.125 INCHES NOMINAL IN, style_designator: PROJECTION ONE END LEFT INTERNAL THREAD, width_across_flats: 0.156 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-531-3761, 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
9598B-B-0256-3
NSN: 5340-00-531-3761
FSC: 5340 — Hardware, Commercial
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
length0.125 INCHES NOMINAL IN
style_designatorPROJECTION ONE END LEFT INTERNAL THREAD
width_across_flats0.156 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-00-531-3761
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9598B-B-0256-3 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: 0.156 INCHES NOMINAL IN
•
LENGTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END LEFT INTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
LENGTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END LEFT INTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 5
3925-9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
BR6929B-0.125-31Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9598B0256-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
532661-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
113H2.5-02-B2BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 9598B-B-0256-3?
9598B-B-0256-3 is a STANDOFF,THREADED,SPACING.
What parts can replace 9598B-B-0256-3?
There are 5 known substitutes for 9598B-B-0256-3: 3925-9, BR6929B-0.125-31, 9598B0256-3 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9598B-B-0256-3?
9598B-B-0256-3 is cataloged in the U.S. Government catalog under NSN 5340-00-531-3761. 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.