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734909 PIECE 61 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

734909 PIECE 61: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, diameter: 0.1884 INCHES MINIMUM AND 0.1886 INCHES MAXIMUM IN, material: STEEL COMP 4140 OVERALL, thread_length: 0.1875 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN, special_features: HEAT TREAT TO 30-35 RC, style_designator: LEFT INTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-189-5448, 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
734909 PIECE 61
NSN: 5340-01-189-5448
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
diameter0.1884 INCHES MINIMUM AND 0.1886 INCHES MAXIMUM IN
materialSTEEL COMP 4140 OVERALL
thread_length0.1875 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
special_featuresHEAT TREAT TO 30-35 RC
style_designatorLEFT INTERNAL THREAD
cross-sectional_shapeROUND
material_document_and_classificationSAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-189-5448
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 734909 PIECE 61 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
•
LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.1875 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: LEFT INTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.1884 INCHES MINIMUM AND 0.1886 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
MATERIAL: STEEL COMP 4140 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.1875 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORLEFT INTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.1884 INCHES MINIMUM AND 0.1886 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
SPECIAL FEATURESHEAT TREAT TO 30-35 RC
MATERIALSTEEL COMP 4140 OVERALL
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 734909 PIECE 61?
734909 PIECE 61 is a STANDOFF,THREADED,SPACING.
What is the NSN for 734909 PIECE 61?
734909 PIECE 61 is cataloged in the U.S. Government catalog under NSN 5340-01-189-5448. This indicates validated use in U.S. government and defense supply chains.
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