Home · NSN 01-515-5278

NSN 01-515-5278 — Guide Rails,Aircraft Ejection Se

NIIN 01-515-5278 · unit of issue EA · AAC H (not stocked, central procurement (dispute)) · source of supply SMS

NSN 01-515-5278 is the national stock number for a guide rails,aircraft ejection se. It cross-references to 1 manufacturer part number from 2 CAGE codes, including Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier, Martin-Baker Aircraft Company Limited; the primary is MBEU148234. The unit of issue is EA and the FLIS list price is $318.76.

No government purchase of this stock number is on our record yet. A DLA long-term contract solicitation (SPE4A226RX000) names it, with an estimated annual demand of 10. 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 number from 2 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
MBEU148234	30003	Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier	3 · Design control (vendor)	2 · Fully interchangeable
MBEU148234	U1604	Martin-Baker Aircraft Company Limited	5 · Secondary reference	2 · Fully interchangeable

Government demand

Long-term contracts and larger buys (DLA RFP / IFB)

SPE4A226RX000 · long-term contract, 10 yr · estimated annual demand 10 · closes Oct 30, 2026
SPE4A226RX000 · long-term contract, 10 yr · closes Oct 30, 2026

When a stock number goes onto a long-term contract, the spot RFQs for it usually stop for the term; the holder then sources the parts. All open long-term contracts →

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 MBEU148234.

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

DLA management data

FLIS unit price: $318.76
Unit of issue: EA
Acquisition advice: H — Not stocked, central procurement (dispute)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Overall Length: INCHES NOMINAL 8.500
Overall Height: INCHES NOMINAL 0.900
Overall Width: INCHES NOMINAL 1.520
End Item Identification: NAVY AIR CREW COMMON EJECTION SEAT (BEAMS ASSY MAIN)
Criticality Code Justification: AGAV
Part Name Assigned By Controlling Agency: GUIDE, SEAT PAN RUNNERS MAIN BEAMS
Special Features: ASTM-B221
Material: ALUMINUM ALLOY

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.