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7604537 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7604537: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 3.844 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 STANDOFF, thread_class: 2A RIGHT EXTERNAL A, thread_length: 0.281 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, flange_thickness: 3.136 INCHES MINIMUM AND 3.146 INCHES MAXIMUM IN, special_features: STUD END HAS COUNTERBORE 0.438IN. DIA BY 0.406 IN.

DEEP IN. This part is cataloged in the U.S. Government catalog under NSN 5340-00-285-5235, 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
7604537
NSN: 5340-00-285-5235
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
length3.844 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 STANDOFF
thread_class2A RIGHT EXTERNAL A
thread_length0.281 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
flange_thickness3.136 INCHES MINIMUM AND 3.146 INCHES MAXIMUM IN
special_featuresSTUD END HAS COUNTERBORE 0.438IN. DIA BY 0.406 IN. DEEP IN
style_designatorFLANGED WITH LEFT INTERNAL THREAD
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentENAMEL STANDOFF
nominal_thread_size0.375 INCHES RIGHT EXTERNAL IN
thread_quantity_per_inch16 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
NSN5340-00-285-5235
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7604537 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
•
FLANGE WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
•
LENGTH: 3.844 INCHES NOMINAL IN
•
FLANGE THICKNESS: 3.136 INCHES MINIMUM AND 3.146 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.281 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: FLANGED WITH LEFT INTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-267,T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
LENGTH3.844 INCHES NOMINAL IN
FLANGE THICKNESS3.136 INCHES MINIMUM AND 3.146 INCHES MAXIMUM IN
THREAD LENGTH0.281 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH0.702 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-267,T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.190 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7604537?
7604537 is a STANDOFF,THREADED,SPACING.
What is the NSN for 7604537?
7604537 is cataloged in the U.S. Government catalog under NSN 5340-00-285-5235. 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.