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8401-SS-0632-7 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8401-SS-0632-7: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.1250 INCHES NOMINAL IN, thread_class: 2B RIGHT INTERNAL, thread_length: 0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, style_designator: INTERNALLY THREADED FULL LENGTH, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD), surface_treatment: PASSIVATE STANDOFF. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-437-8283, 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
8401-SS-0632-7
NSN: 5340-01-437-8283
FSC: 5340 — Hardware, Commercial
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
length1.1250 INCHES NOMINAL IN
thread_class2B RIGHT INTERNAL
thread_length0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designatorINTERNALLY THREADED FULL LENGTH
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentPASSIVATE STANDOFF
width_across_flats0.3125 INCHES NOMINAL IN
nominal_thread_size0.1380 INCHES RIGHT INTERNAL IN
cross-sectional_shapeHEXAGON
thread_quantity_per_inch32 RIGHT INTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
material_document_and_classificationASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
NSN5340-01-437-8283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8401-SS-0632-7 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: 0.3125 INCHES NOMINAL IN
•
LENGTH: 1.1250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF
•
THREAD LENGTH: 0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.3125 INCHES NOMINAL IN
LENGTH1.1250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF
THREAD LENGTH0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH0.3750 INCHES NOMINAL RIGHT INTERNAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
NOMINAL THREAD SIZE0.1380 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8401-SS-0632-7?
8401-SS-0632-7 is a STANDOFF,THREADED,SPACING.
What is the NSN for 8401-SS-0632-7?
8401-SS-0632-7 is cataloged in the U.S. Government catalog under NSN 5340-01-437-8283. 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.