Home · NSN 01-618-6644

NSN 01-618-6644 — Standoff,Threaded,Spacing

NIIN 01-618-6644 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-618-6644 is the national stock number for a standoff,threaded,spacing. It cross-references to 1 manufacturer part number from 1 CAGE code, including Thorlabs, Inc; the primary is TR3. The unit of issue is EA and the FLIS list price is $10.37.

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.

1

part number from 1 CAGE

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 01-618-6644: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

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

Part numberCAGEManufacturerReferenceVariation
TR30LW43Thorlabs, Inc3 · 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 TR3.

Request TR3

No account needed. Goes to the sellers who carry this number or its family.

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

DLA management data

FLIS unit price
$10.37
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Thread Direction
LEFT INTERNAL (INCLUDES THRU THREAD) RIGHT-HAND
Thread Direction
RIGHT INTERNAL RIGHT-HAND
Thread Length
LEFT INTERNAL (INCLUDES THRU THREAD) INCHES NOMINAL 0.34
Diameter
INCHES NOMINAL 0.50
Length
INCHES NOMINAL 3.00
End Item Identification
6625-01-558-8041
Cross-Sectional Shape
ROUND
Nominal Thread Size
LEFT INTERNAL (INCLUDES THRU THREAD) INCHES 0.25
Nominal Thread Size
RIGHT INTERNAL INCHES 0.1640
Special Features
1/2 IN-8-32 SET SCREW INCLUDED FOR RIGHT SIDE INTERNAL.
Material
OVERALL STEEL CORROSION RESISTING
Thread Series Designator
LEFT INTERNAL (INCLUDES THRU THREAD) UNIFIED NATIONAL COARSE (UNC)
Thread Series Designator
RIGHT INTERNAL UNIFIED NATIONAL COARSE (UNC)

Related stock numbers

Other NSNs filed under the same part numbers.

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.

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