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161931 — GENERATOR,OXYGEN-NITROGEN

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

161931: GENERATOR,OXYGEN-NITROGEN.

The GENERATOR,OXYGEN-NITROGEN is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX BELOW CENTER, usage_design: EXTERNAL, inside_diameter: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, outside_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-562-2589, 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
MRO→ MRO_GENERAL→ 161931
NSN: 5325-00-562-2589
NIINs: 005622589, 009817269, 012596126, 016426669
FSC: 5325 — Fastening Devices
CAGE: 27192 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX BELOW CENTER
usage_designEXTERNAL
inside_diameter0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
major_thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
outside_diameter0.375 INCHES NOMINAL IN
special_featuresITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER PHILADELPHIA PRODUCTION STANDARD PO0456NRP
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
NSN5325-00-562-2589
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 161931 · 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
•
END STYLE: VERTEX BELOW CENTER
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLEVERTEX BELOW CENTER
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MAJOR THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
INSIDE DIAMETER0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER PHILADELPHIA PRODUCTION STANDARD PO0456NRP
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
PO0456NRPReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 161931?
161931 is a GENERATOR,OXYGEN-NITROGEN. It is classified as a MRO (MRO_GENERAL).
What parts can replace 161931?
There is 1 known substitute for 161931: PO0456NRP. Substitute compatibility should be verified for your specific system.
What is the NSN for 161931?
161931 is cataloged in the U.S. Government catalog under NSN 5325-00-562-2589. 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.