NSN 5310-01-644-8556 · NIIN 016448556 · Part number MK661-12000
Mitsubishi Heavy Industries America Inc Div Machine Tool Division · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1TGK4
Government record, cited
NSN 5310-01-644-8556 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-644-8556. Manufacturer of record part number: MK661-12000.
Also searched as5310-01-644-8556 ·
5310016448556 ·
NIIN 016448556 ·
01-644-8556 ·
FSC 5310 Nuts and Washers · CAGE 1TGK4 · MK661-12000
Manufacturer of record: Mitsubishi Heavy Industries America Inc Div Machine Tool Division
Identification
NSN: 5310-01-644-8556
NIIN: 016448556
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: MK661-12000
Manufacturer: Mitsubishi Heavy Industries America Inc Div Machine Tool Division
General Description
The Washer,seal, cataloged under National Stock Number 5310-01-644-8556, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mitsubishi Heavy Industries America Inc Div Machine Tool Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-644-8556
Primary Part Number
MK661-12000
Item Name
Washer,seal
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Mitsubishi Heavy Industries America Inc Div Machine Tool Division
Mitsubishi Heavy Industries America Inc Div Machine Tool Division (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-644-8556?
NSN 5310-01-644-8556 is a Washer,seal, manufactured by Mitsubishi Heavy Industries America Inc Div Machine Tool Division, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-644-8556?
NSN 5310-01-644-8556 has 1 manufacturer part number on file: MK661-12000 (Mitsubishi Heavy Industries America Inc Div Machine Tool Division).
What are the specifications of MK661-12000?
Key specifications for MK661-12000: Special Features: CAGE 1TGK4 IS ONLY A DISTRIBUTOR. MITSUBISHI THE OEM IS IN JAPAN. OEM CAGE CODE IS UNKNOWN AND WAS NOT PROVIDED.; End Item Identification: NIIN 016179405 COMPRESSOR, DIVE TYPE 1. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-644-8556 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.