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B179 — FILTER ELEMENT,FLUID

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B179: FILTER ELEMENT,FLUID.

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: STEEL, design_type: NONREUSABLE, usage_design: EXTERNAL, body_diameter: 3.125 INCHES NOMINAL IN, flow_direction: INSIDE OUT, inside_diameter: 0.270 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-893-5495, 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
B179
NSN: 5325-00-893-5495
NIINs: 008935495, 011670853
FSC: 5325 — Fastening Devices
CAGE: 00503 — CONDUCTIX INC DIV CONDUCTIX WAMPFLER (USA)
SPECIFICATIONS
materialSTEEL
ring_styleC
design_typeNONREUSABLE
usage_designEXTERNAL
body_diameter3.125 INCHES NOMINAL IN
flow_directionINSIDE OUT
inside_diameter0.270 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
special_featuresCONTAINS ANTI-DRAINBACK AND BY-PASS VALVES
style_designatorCYLINDRICAL W/ INTEGRAL OUTER CASING
body_overall_length2.875 INCHES NOMINAL IN
nominal_thread_size0.787 INCHES IN
NSN5325-00-893-5495
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B179 · 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
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.270 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: C
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.025 INCHES NOMINAL IN
INSIDE DIAMETER0.270 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEC
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
124124-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
5103-31Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B179?
B179 is a FILTER ELEMENT,FLUID.
What parts can replace B179?
There are 2 known substitutes for B179: 124124-4, 5103-31. Substitute compatibility should be verified for your specific system.
What is the NSN for B179?
B179 is cataloged in the U.S. Government catalog under NSN 5325-00-893-5495. 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.