Home · NSN 00-385-4840

NSN 00-385-4840 — Nut,Self-Locking,Single Ball Sea

NIIN 00-385-4840 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-385-4840 is the national stock number for a nut,self-locking,single ball sea. It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including The Boeing Company, Harvard Industries Inc, Esna, LLC; the primary is BACN10FD85. The unit of issue is EA and the FLIS list price is $29.97.

No government purchase of this stock number is on our record yet. 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 3 CAGEs

open solicitations, all agencies

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
BACN10FD85	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
F12NE2935-080	72962	Harvard Industries Inc	5 · Secondary reference	9 · Reference only
F12NE2935-080	019L2	Esna, LLC	5 · Secondary reference	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 BACN10FD85.

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

DLA management data

FLIS unit price: $29.97
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
Ball Seat Radius: INCHES MINIMUM 0.499 AND INCHES MAXIMUM 0.529
Nut Height: INCHES MAXIMUM 0.605
Width Across Flats: INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.752
Temp Rating: FAHRENHEIT NOMINAL 250.0
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch: 20
Nominal Thread Size: INCHES 0.500
Material: LOCKING INSERT PLASTIC POLYAMIDE NYLON
Material: NUT STEEL
Surface Treatment: OVERALL EXCEPT INSERT CADMIUM
Surface Treatment Document And Classification: OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3

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.