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A51C32531-11 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51C32531-11: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 3.100 INCHES NOMINAL IN, diameter: 0.625 INCHES NOMINAL IN, right_slot_depth: 0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN, right_slot_width: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, style_designator: INTERNALLY THREADED FULL LENGTH, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-009-2465, 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
A51C32531-11
NSN: 5340-00-009-2465
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length3.100 INCHES NOMINAL IN
diameter0.625 INCHES NOMINAL IN
right_slot_depth0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
right_slot_width0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
style_designatorINTERNALLY THREADED FULL LENGTH
cross-sectional_shapeROUND
left_counterbore_depth2.540 INCHES NOMINAL IN
left_counterbore_diameter0.420 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
NSN5340-00-009-2465
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51C32531-11 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: 2.540 INCHES NOMINAL IN
•
LENGTH: 3.100 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
DIAMETER: 0.625 INCHES NOMINAL IN
•
LEFT COUNTERBORE DIAMETER: 0.420 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
•
RIGHT SLOT WIDTH: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
RIGHT SLOT DEPTH: 0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LEFT COUNTERBORE DEPTH2.540 INCHES NOMINAL IN
LENGTH3.100 INCHES NOMINAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
DIAMETER0.625 INCHES NOMINAL IN
LEFT COUNTERBORE DIAMETER0.420 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
RIGHT SLOT WIDTH0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
RIGHT SLOT DEPTH0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51C32531-11?
A51C32531-11 is a STANDOFF,THREADED,SPACING.
What is the NSN for A51C32531-11?
A51C32531-11 is cataloged in the U.S. Government catalog under NSN 5340-00-009-2465. 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.