PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5564278Lever,release,small Arms

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1005-00-556-4278 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-00-556-4278 — this item is cataloged by the U.S. Government under National Stock Number 1005-00-556-4278. Primary manufacturer part number: 5564278.
Features
  • Lever,release,small Arms — FSC 1005
  • Material: STEEL
  • Surface Treatment: PHOSPHATE
  • 15 verified cross-references
  • Primary manufacturer: Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Applications
  • Applications requiring Steel construction
General Description

The Lever,release,small Arms, cataloged under National Stock Number 1005-00-556-4278, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-00-556-4278
Primary Part Number5564278
Item NameLever,release,small Arms
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
StatusACTIVE
MaterialSTEEL
Surface TreatmentPHOSPHATE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-079-97333405-6-6 INTERCHANGEABLE
Elbow,pipe to Tube
Lenz Inc Dba the Lenz Company
5331-00-599-0725A10097 INTERCHANGEABLE
O-Ring
Eaton Corporation Dba Eaton Inoac Div Eaton
5910-01-014-5129MIS19239-6 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Us Army Aviation and Missile Command
1005-01-701-85185564278 INTERCHANGEABLE
Lever,release,small Arms
Ohio Ordnance Works Inc
Cross-Reference Index
Part NumberManufacturer
1005PL1337467 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1005PL2225170 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1005PL1648646 Jednolity Indeks Materialowy - Uniform Material Index (POL)
A10097 Fnh Uk Ltd (GBR)
A10248 Fnh Uk Ltd (GBR)
RE0294712 Alfariver Defense S.l (ESP)
75F5010 Giat Industries Centre De Tulle (FRA)
5564278 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
711662807406 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
366-200-2865 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
10092828 Nimikkeistokeskus Ncb Finland (FIN)
3662002865 Fn Herstal Dba Fabrique Nationale Nouvelle Herstal (BEL)
1005005564278 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
201030006 Samsun Yurt Sav.san. Ve Tic.a.s. (TUR)
10055564278 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
4730-00-079-9733INTERCHANGEABLE
ELBOW,PIPE TO TUBE
3405-6-6
5331-00-599-0725INTERCHANGEABLE
O-RING
A10097
5910-01-014-5129INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
MIS19239-6
1005-01-701-8518INTERCHANGEABLE
LEVER,RELEASE,SMALL ARMS
5564278

Frequently Asked Questions

What is NSN 1005-00-556-4278?

NSN 1005-00-556-4278 is a Lever,release,small Arms, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-00-556-4278?

NSN 1005-00-556-4278 has 15 cross-referenced part numbers: 1005PL1337467 (Jednolity Indeks Materialowy - Uniform Material Index), 1005PL2225170 (Jednolity Indeks Materialowy - Uniform Material Index), 1005PL1648646 (Jednolity Indeks Materialowy - Uniform Material Index), A10097 (Fnh Uk Ltd), A10248 (Fnh Uk Ltd) and 10 more.

What NSN replaces 1005-00-556-4278?

There are 4 known substitutes for 1005-00-556-4278: 4730-00-079-9733, 5331-00-599-0725, 5910-01-014-5129 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5564278?

Key specifications for 5564278: Material: STEEL; Special Features: STRESS RELIEVE AT 1050 DEG F FOR 1 HR; HEAT AT 1500/1550 DEG F; QUENCH IN SALT AT 700 DEG F; HOLD 45 MIN, AIR COOL; REHEAT; OIL QUENCH; TEMPER 1 HR; FINISH: 125 MICRO INCHES; HARDEN TO ROCKWELL C51-C59; CTR HOLE 0.375 IN. DIA LOCATED 4.340 IN. FROM 1ST END; MATL-STEEL OR STEEL ASTM A331; SURFACE TREAT. -PHOSPHATE MANGANESE OR PHOSPHATE ZINC IN; End Item Identification: MACHINE GUN, .50 CAL (M2); NSN 1005-00-322-9715; Surface Treatment: PHOSPHATE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com