PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4631Bellows Seal

Flexco, Inc · NSN 1560-00-815-8067 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-815-8067 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-815-8067. Primary manufacturer part number: 4631.
Features
  • Bellows Seal — FSC 1560
  • 3 verified cross-references
  • Primary manufacturer: Flexco, Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Bellows Seal, cataloged under National Stock Number 1560-00-815-8067, is classified within Federal Supply Class 1560 (No Item Name Available) of the Aircraft and Airframe Components group. The primary manufacturer of record is Flexco, Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBellows Seal
FSC / FSG1560 — No Item Name Available (FSG 15)
ManufacturersFlexco, Inc (CAGE 99135); Lockheed Martin Corp (CAGE 98897); Hbd Industries, Inc (CAGE 98891)
Technical Specifications
ParameterValue
NSN1560-00-815-8067
Primary Part Number4631
Item NameBellows Seal
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerFlexco, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6650-00-513-5651 INTERCHANGEABLE
Lens,optical Instrument
5950-00-802-57614631 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
5975-00-873-158227155 INTERCHANGEABLE
Clamp,back
Egs Electrical Group Appleton Div
8040-00-947-5483 INTERCHANGEABLE
Adhesive
5960-00-978-4350256-0172-010 INTERCHANGEABLE
Electron Tube
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
7025-01-012-31484631 INTERCHANGEABLE
Copy Unit,crt
Tektronix, Inc.
5905-01-044-2149 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4130-01-413-06124631 INTERCHANGEABLE
Filter Element,air Conditioning
Airsan Corporation Dba Airsan Corp
5305-01-478-42254631 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
6520-01-556-136024-107043 INTERCHANGEABLE
Electrodes,contrary,apex Locator
J. Morita U.s.a Inc Dba J Morita Usa Inc
Cross-Reference Index
Part NumberManufacturer
4631 PRIMARY Flexco, Inc (USA)
750899-3 Lockheed Martin Corp (USA)
AD899 Hbd Industries, Inc (USA)
Related Parts
6650-00-513-5651INTERCHANGEABLE
LENS,OPTICAL INSTRUMENT
5950-00-802-5761INTERCHANGEABLE
COIL,RADIO FREQUENCY
4631
5975-00-873-1582INTERCHANGEABLE
CLAMP,BACK
27155
8040-00-947-5483INTERCHANGEABLE
ADHESIVE
5960-00-978-4350INTERCHANGEABLE
ELECTRON TUBE
256-0172-010
7025-01-012-3148INTERCHANGEABLE
COPY UNIT,CRT
4631
5905-01-044-2149INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4130-01-413-0612INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
4631
5305-01-478-4225INTERCHANGEABLE
SCREW,SHOULDER
4631
6520-01-556-1360INTERCHANGEABLE
ELECTRODES,CONTRARY,APEX LOCATOR
24-107043

Frequently Asked Questions

What is NSN 1560-00-815-8067?

NSN 1560-00-815-8067 is a Bellows Seal, manufactured by Flexco, Inc, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-00-815-8067?

NSN 1560-00-815-8067 has 3 cross-referenced part numbers: 4631 (Flexco, Inc), 750899-3 (Lockheed Martin Corp), AD899 (Hbd Industries, Inc).

What NSN replaces 1560-00-815-8067?

There are 10 known substitutes for 1560-00-815-8067: 6650-00-513-5651, 5950-00-802-5761, 5975-00-873-1582 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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