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3104-531 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3104-531: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.000 INCHES NOMINAL IN, material: STEEL COMP 1020 OVERALL, thread_length: 0.188 INCHES NOMINAL RIGHT EXTERNAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, surface_treatment: CADMIUM AND CHROMATE OVERALL, width_across_flats: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-462-2384, 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
3104-531
NSN: 5340-00-462-2384
FSC: 5340 — Hardware, Commercial
CAGE: 00866 — GOE ENGINEERING CO INC (USA)
SPECIFICATIONS
length1.000 INCHES NOMINAL IN
materialSTEEL COMP 1020 OVERALL
thread_length0.188 INCHES NOMINAL RIGHT EXTERNAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
left_counterbore_depth0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
left_counterbore_diameter0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
material_document_and_classificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-462-2384
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3104-531 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
•
LEFT COUNTERBORE DEPTH: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.188 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
LEFT COUNTERBORE DIAMETER: 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
LEFT COUNTERBORE DEPTH0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH0.188 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
LEFT COUNTERBORE DIAMETER0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
8067-531Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3104-531?
3104-531 is a STANDOFF,THREADED,SPACING.
What parts can replace 3104-531?
There is 1 known substitute for 3104-531: 8067-531. Substitute compatibility should be verified for your specific system.
What is the NSN for 3104-531?
3104-531 is cataloged in the U.S. Government catalog under NSN 5340-00-462-2384. 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.