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157991 — FILTER,FLUID

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

157991: FILTER,FLUID.

The FILTER,FLUID is a the manufacturer industrial component. Key specifications include body_height: 3.824 INCHES NOMINAL IN, body_length: 1.69 INCHES NOMINAL IN, style_designator: STRAIGHT FLOW BASKET STRAINER W/BOLTED COVER, first_intake_connection_type: THREADED INTERNAL PIPE HEAD SIDE, distance_from_bottom_of_body_to_center_of_inlet: 3.434 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-677-4900, 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
157991
NSN: 5307-00-677-4900
NIINs: 006774900, 015990254
FSC: 5307 — Studs
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
body_height3.824 INCHES NOMINAL IN
body_length1.69 INCHES NOMINAL IN
style_designatorSTRAIGHT FLOW BASKET STRAINER W/BOLTED COVER
first_intake_connection_typeTHREADED INTERNAL PIPE HEAD SIDE
distance_from_bottom_of_body_to_center_of_inlet3.434 INCHES NOMINAL IN
NSN5307-00-677-4900
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 157991 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON TTY EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157991?
157991 is a FILTER,FLUID.
What is the NSN for 157991?
157991 is cataloged in the U.S. Government catalog under NSN 5307-00-677-4900. 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.