Home · FSC 4320 Power And Hand Pumps · NSN 4320-01-056-4331

NSN 4320-01-056-4331 — Seal Assembly,Shaft,Spring Loade

NIIN 01-056-4331 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

Used on: F-16 Fighting Falcon · all platforms

NSN 4320-01-056-4331 is the national stock number for a seal assembly,shaft,spring loade in federal supply class 4320 (Power And Hand Pumps). It cross-references to 3 manufacturer part numbers from 4 CAGE codes, including Rexnord Industries, LLC, Gits Mfg Co Inc, Apache Corp Gits Bros Mfg Co; the primary is 558-0050-015. The federal catalog ties it to the F-16 Fighting Falcon. The unit of issue is EA and the FLIS list price is $308.02.

The U.S. government has bought this item 18 times on record, 3 of them in the last 24 months, most recently on June 18, 2026 at $274.20 each from Trevose Industrial Products Inc. The median unit price paid over 36 months is $221.00. 1 solicitation is open right now, the soonest due October 6, 2026 for 154 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.

3

part numbers from 4 CAGEs

1

open solicitation, all agencies

3

government buys in 24 months · median $221.00

0

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 numberCAGEManufacturerReferenceVariation
58-050-1591587Rexnord Industries, LLC3 · Design control (vendor)2 · Fully interchangeable
558-0050-0150BT82Gits Mfg Co Inc5 · Secondary reference2 · Fully interchangeable
58-050-1524981Apache Corp Gits Bros Mfg Co5 · Secondary reference9 · Reference only
58-050-150BT82Gits Mfg Co Inc5 · Secondary reference9 · Reference only
81296-050-1586090Eaton Corporation5 · Secondary reference9 · Reference only

Government demand

Open DLA RFQs (DIBBS)

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Jun 18, 2026Trevose Industrial Products Inc 5155758$274.20DlaSPE7M226V3999
Aug 14, 2025Trevose Industrial Products Inc 5155799$221.20DlaSPE7M125P9885
Jan 22, 2025Trevose Industrial Products Inc 5155772$220.80DlaSPE7MX25P0021
Dec 11, 2023Trevose Industrial Products Inc 51557224$217.48DlaSPE7M124P1880
May 22, 2023Trevose Industrial Products Inc 5155774$218.90DlaSPE7M123P5889
May 31, 2022Trevose Industrial Products Inc 51557225$216.05DlaSPE7M122P6743
Apr 19, 2022Kampi Components Co Inc 7Z01643$229.28DlaSPE7M122P5367
Aug 25, 2021Trevose Industrial Products Inc 5155712$212.31DlaSPE7M121P7120
Jul 6, 2021Trevose Industrial Products Inc 5155790$207.76DlaSPE7M121P5869
Jan 20, 2021Trevose Industrial Products Inc 5155755$207.76DlaSPE7MC21V4329
May 21, 2020Trevose Industrial Products Inc 5155793$157.97DlaSPE7M120V8205
May 28, 2019Trevose Industrial Products Inc 51557144$155.17DlaSPE7M119V7477
Jan 22, 2019Trevose Industrial Products Inc 51557104$140.19DlaSPE7M119V3341
Jul 9, 2018Trevose Industrial Products Inc 5155793$133.99DlaSPE7M118V040S
Jan 19, 2018Trevose Industrial Products Inc 51557174$133.25DlaSPE7M118P2451
Mar 17, 2017Trevose Industrial Products Inc 5155793$134.52DlaSPE7M117P4785
May 2, 2016Trevose Industrial Products Inc 51557104$131.63DlaSPE7M116M5087
Dec 16, 2015Trevose Industrial Products Inc 5155798$131.63DlaSPE7M116M1928

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 18 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 558-0050-015.

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

DLA management data

FLIS unit price
$308.02
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

End Item Identification
F-16 AIRCRAFT
Criticality Code Justification
FEAT
Special Features
WEAPON SYSTEM ESSENTIAL
General Characteristics Item Description
CROSS SECT W 0.446 IN. OUTSIDE DIA 1.002 IN. ASSY COMPONENTS SHELL ASSY 00-805087,SEAL RING ADAPTER 00-050010,SPRING 06-004385,O'RING 16-010563,O'RING 16-010873,SHELL COATED W/ POLYTETRAFLUOROETHYLENE

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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