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Technical Data Sheet
PartsTable / COMPONENT / 65-4-44
65-4-44 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include color: BLACK, overall_width: 10.000 INCHES NOMINAL IN, overall_length: 16.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-3465, 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
65-4-44
NSN: 5306-00-151-3465
FSC: 5306
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
colorBLACK
overall_width10.000 INCHES NOMINAL IN
overall_length16.000 INCHES NOMINAL IN
special_featuresDEPTH: 2.25IN.; MATERIAL: POLYPROPYLENE CONSTRUCTION; CLIP WITH PLASTIC GRIPS HOLDS UP TO 1/2IN. PAPER; LARGE INTERNAL STORAGE HOLDS PADS AND PENS ETC. IN
NSN5306-00-151-3465
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 65-4-44 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH BETWEEN FLATS: 0.375 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 20
•
MINIMUM TENSILE STRENGTH: 48000 POUNDS PER SQUARE INCH LBS
•
HEAD HEIGHT: 0.172 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 4.500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.172 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH4.500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.875 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
102484Upgraded Successor
successor cross-reference
successor
FFB575Upgraded Successor
successor cross-reference
successor
MS35354-201Upgraded Successor
successor cross-reference
successor
102495Upgraded Successor
successor cross-reference
successor
109177Upgraded Successor
successor cross-reference
successor
131286Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 65-4-44?
65-4-44 is a RESTRICTOR,FLUID FLOW.
What parts can replace 65-4-44?
There are 14 known substitutes for 65-4-44: 102484, FFB575, MS35354-201 and 11 more. Substitute compatibility should be verified for your specific system.
Is 65-4-44 still available?
65-4-44 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026