187180 — POWER SUPPLY SUBASSEMBLY

✓ Government record, cited

Hama · PSU

PRODUCT OVERVIEW

187180: POWER SUPPLY SUBASSEMBLY.

The POWER SUPPLY SUBASSEMBLY is a Hama power supply unit built for continuous operation in enterprise server and storage platforms. This part is cataloged in the U.S. Government catalog under NSN 5305-00-018-7180, 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

187180

NSN: 5305-00-018-7180
NIINs: 000187180, 014411880
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)

SPECIFICATIONS

NSN	5305-00-018-7180

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.750 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL

•

PRIMARY WASHER OUTSIDE DIAMETER: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN

•

HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: ROUND

TYPICAL APPLICATIONS

Server power supply replacement (failed or degraded)
Redundant power upgrade for high-availability
Power capacity upgrade for GPU or expansion configurations
Hot-swap power maintenance in production environments
Spare inventory for break-fix operations

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
FASTENER LENGTH	0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER	0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
THREAD LENGTH	0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	ROUND
PRIMARY WASHER STYLE	FLAT EXTERNAL TEETH
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 2

79911Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

A8044-12Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 187180?

187180 is a POWER SUPPLY SUBASSEMBLY manufactured by Hama.

What parts can replace 187180?

There are 2 known substitutes for 187180: 79911, A8044-12. Substitute compatibility should be verified for your specific system.

What is the NSN for 187180?

187180 is cataloged in the U.S. Government catalog under NSN 5305-00-018-7180. This indicates validated use in U.S. government and defense supply chains.

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