Home · FSC 5305 Screws · NSN 5305-01-235-8311

NSN 5305-01-235-8311 — Setscrew

NIIN 01-235-8311 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

Buying rhythm

from 6 government buys since 2017

The government has bought this item about every 7 months (irregular, gaps vary ±143%). Last buy Sep 23, 2026. The gaps are too uneven to put a window on the next one. 1 solicitation is open right now.

How well this works: for irregular items, "next buy about one typical gap after the last, give or take 152 days" caught the actual next buy 31% of the time across 21,749 past buys, against 24% for a fixed "one year later" guess. A rhythm, not a schedule: DLA buys when stock and demand say so. Every item due for a buy now.

NSN 5305-01-235-8311 is the national stock number for a setscrew in federal supply class 5305 (Screws). It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including Kilder Corp, Black And Webster Inc; the primary is 5/8 IN.LG.X5/8 IN.-11 UNC-2A. The unit of issue is EA and the FLIS list price is $4.21.

The U.S. government has bought this item 8 times on record, 1 of them in the last 24 months, most recently on September 23, 2026 for $1,760 from Parks & Docks Supply Company LLC. 1 solicitation is open right now, the soonest due September 30, 2026 for 30 EA. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part numbers from 2 CAGEs

open solicitation, all agencies

government buy 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
5/8 IN.LGX5/8 IN.-11 UNC-2A	75493	Kilder Corp	3 · Design control (vendor)	2 · Fully interchangeable
5/8 IN.LG.X5/8 IN.-11 UNC-2A	89389	Black And Webster Inc	5 · Secondary reference	9 · Reference only

Government demand

Open DLA RFQs (DIBBS)

SPE4A626T32WC · 30 EA · due Sep 30, 2026 · N · AMSC Z · DIBBS

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 23, 2026	Parks & Docks Supply Company LLC 9UHM7			$1,760	Dla	SPE4A626P0ZR5 » Award/Basic Package View
Oct 22, 2019	Kampi Components Co Inc 7Z016	3,127	$2.37		Dla	SPE5E220P0110
Feb 21, 2019	Atlantic Diving Supply, Inc. 1CAY9	25	$1.47		Dla	SPM5EN19FA66Z
Sep 10, 2018	Atlantic Diving Supply, Inc. 1CAY9	475	$1.47		Dla	SPM5EN18FAC36
Mar 12, 2018	Atlantic Diving Supply, Inc. 1CAY9	25	$1.47		Dla	SPM5EN18FA0QJ
Feb 20, 2018	Atlantic Diving Supply, Inc. 1CAY9	25	$1.47		Dla	SPM5EN18FA7M9
Oct 16, 2017	Atlantic Diving Supply, Inc. 1CAY9	250	$1.47		Dla	SPM5EN18FA331
Oct 10, 2017	Atlantic Diving Supply, Inc. 1CAY9	50	$1.47		Dla	SPM5EN18FA175

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 8 buys on record in total.

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 5/8 IN.LG.X5/8 IN.-11 UNC-2A.

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

DLA management data

FLIS unit price: $4.21
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 2A
Thread Direction: RIGHT-HAND
Fastener Length: INCHES NOMINAL 0.625
Nominal Thread Diameter: INCHES 0.625
Thread Quantity Per Inch: 11
Material: OVERALL PLASTIC ACETAL
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)

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.