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3151-740 — RETAINER,NUT AND BOLT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3151-740: RETAINER,NUT AND BOLT.

The RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410, overall_width: 0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN, overall_height: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, overall_length: 1.680 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, material_thickness: 0.040 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-325-3352, 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
3151-740
NSN: 5340-00-325-3352
FSC: 5340 — Hardware, Commercial
CAGE: 60029 — WOODWARD HRT, INC. DBA WOODWARD HRT INC (USA)
SPECIFICATIONS
materialSTEEL COMP 410
overall_width0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
overall_height0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
overall_length1.680 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
material_thickness0.040 INCHES NOMINAL IN
mounting_hole_diameter0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
width_between_cup_flats0.390 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-766, CLASS 410, COND A FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationPS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE
center_to_center_distance_between_cup_and_mounting_hole0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
NSN5340-00-325-3352
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3151-740 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766, CLASS 410, COND A FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN CUP AND MOUNTING HOLE: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766, CLASS 410, COND A FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
OVERALL LENGTH1.680 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
OVERALL WIDTH0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN CUP AND MOUNTING HOLE0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 410
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 1
3151-259Same 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 3151-740?
3151-740 is a RETAINER,NUT AND BOLT.
What parts can replace 3151-740?
There is 1 known substitute for 3151-740: 3151-259. Substitute compatibility should be verified for your specific system.
What is the NSN for 3151-740?
3151-740 is cataloged in the U.S. Government catalog under NSN 5340-00-325-3352. 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.