Home · NSN 00-652-1171

NSN 00-652-1171 — Gear,Spur

NIIN 00-652-1171 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 00-652-1171 is the national stock number for a gear,spur. It cross-references to 1 manufacturer part number from 1 CAGE code, including Hamilton Sundstrand Corporation; the primary is 520439. The unit of issue is EA and the FLIS list price is $6,455.99.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part number from 1 CAGE

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government buys in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
520439	73030	Hamilton Sundstrand Corporation	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 520439.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $6,455.99
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Attachment Method: MOUNTING HOLE
Pitch Diameter: INCHES NOMINAL 1.8250
Teeth Quantity: 73
Hardness Rating: OVERALL ROCKWELL C MINIMUM 30.0 AND ROCKWELL C MAXIMUM 46.0
Mounting Hole Type And Quantity: TRANSVERSELY THROUGH HUB FIRST END PLAIN 3
Nominal Outside Diameter: INCHES 1.850
Nominal Overall Length: INCHES 0.530
Tooth Form: STANDARD
Pressure Angle: DEGREES 25.0000
Nominal Distance Between Body Face And Protruding Hub End: SECOND END INCHES 0.520
Body Recess Nominal Depth: FIRST END INCHES 0.520
Face Nominal Width: INCHES 0.100
Bore Nominal Diameter: BOTH ENDS INCHES 0.615
Hub Nominal Diameter: SECOND END INCHES 1.000
Mounting Hole Nominal Diameter: TRANSVERSELY THROUGH HUB FIRST END INCHES 0.100
Bolt Hole Circle Nominal Diameter: TRANSVERSELY THROUGH HUB FIRST END INCHES 0.750
Special Features: MOUNTING HOLES ON FLANGE EXTENDS THRU BELL
Material: OVERALL STEEL COMP 416SE
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5610

Related stock numbers

Other NSNs filed under the same part numbers.

00-144-8547 · Bearing,Ball,Annular

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.