PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BS1Splicer,photographic Film

Griswold Machine Works · NSN 6740-00-251-7921 · FSC 6740 · No Item Name Available
Verified by PartsTable
NSN 6740-00-251-7921 — this item is cataloged by the U.S. Government under National Stock Number 6740-00-251-7921. Primary manufacturer part number: BS1.
Features
  • Splicer,photographic Film — FSC 6740
  • Mounting Type: BENCH
  • Furnished Items and Quantity: SCRAPER HOLDER 1,SCRAPER BLADES 3,FELT MOISTENER 1
  • Operation Method: HAND
  • Bonding Agent Type: FILM CEMENT
  • Splice Type: DIAGONAL OR STRAIGHT
  • Film Type: MOTION PICTURE, SILENT OR MOTION PICTURE, SOUND
  • Accommodated Film Width: 8.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM
Applications
  • Applications requiring Steel Mounting Base construction
General Description

The Splicer,photographic Film, cataloged under National Stock Number 6740-00-251-7921, is classified within Federal Supply Class 6740 (No Item Name Available) of the Photographic Equipment group. The primary manufacturer of record is Griswold Machine Works. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6740-00-251-7921
Primary Part NumberBS1
Item NameSplicer,photographic Film
FSC / FSG6740 / 67 — No Item Name Available
ManufacturerGriswold Machine Works
StatusCANCELLED
Mounting TypeBENCH
Furnished Items and QuantitySCRAPER HOLDER 1,SCRAPER BLADES 3,FELT MOISTENER 1
Operation MethodHAND
Bonding Agent TypeFILM CEMENT
Splice TypeDIAGONAL OR STRAIGHT
Film TypeMOTION PICTURE, SILENT OR MOTION PICTURE, SOUND
Accommodated Film Width8.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM
Installation DesignPORTABLE
Document Title/date of Accessories and ComponentsNEUMADE CATALOG NO. 18 DATED 1 OCT 1969
MaterialSTEEL MOUNTING BASE
Overlap Length0.062 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Film Accommodation TypeMOTION PICTURE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5345-00-270-6908614636-85930 INTERCHANGEABLE
Stone,sharpening
Norton Company Dba Coated Abrasives Division
3120-00-662-9306 INTERCHANGEABLE
Bearing,plain,rod End
5365-00-710-0037BS1 INTERCHANGEABLE
Spacer,sleeve
Bright Lights Usa, Inc Dba Blusa Defense Manufacturing
4730-01-114-713111579683 INTERCHANGEABLE
Plug,pipe
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
5360-01-190-1817 INTERCHANGEABLE
Spring,helical,compression
4910-01-367-6499BS1 INTERCHANGEABLE
Bead Seater,pneumatic
Bead Seater Corp
2040-01-503-1124 INTERCHANGEABLE
Hook,boat
6140-01-564-1660 INTERCHANGEABLE
Battery,straps
Cross-Reference Index
Part NumberManufacturer
BS1 Griswold Machine Works (USA)
BS1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
HM6 Neumade Products Corp (USA)
BS1 Zf Industrieantriebe Witten Gmbh (DEU)
GRISW0LDJRHM6 Neumade Products Corp (USA)
Related Parts
5345-00-270-6908INTERCHANGEABLE
STONE,SHARPENING
614636-85930
3120-00-662-9306INTERCHANGEABLE
BEARING,PLAIN,ROD END
5365-00-710-0037INTERCHANGEABLE
SPACER,SLEEVE
BS1
4730-01-114-7131INTERCHANGEABLE
PLUG,PIPE
11579683
5360-01-190-1817INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4910-01-367-6499INTERCHANGEABLE
BEAD SEATER,PNEUMATIC
BS1
2040-01-503-1124INTERCHANGEABLE
HOOK,BOAT
6140-01-564-1660INTERCHANGEABLE
BATTERY,STRAPS

Frequently Asked Questions

What is NSN 6740-00-251-7921?

NSN 6740-00-251-7921 is a Splicer,photographic Film, manufactured by Griswold Machine Works, classified under FSC 6740 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6740-00-251-7921?

NSN 6740-00-251-7921 has 5 cross-referenced part numbers: BS1 (Griswold Machine Works), BS1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), HM6 (Neumade Products Corp), BS1 (Zf Industrieantriebe Witten Gmbh), GRISW0LDJRHM6 (Neumade Products Corp).

What NSN replaces 6740-00-251-7921?

There are 8 known substitutes for 6740-00-251-7921: 5345-00-270-6908, 3120-00-662-9306, 5365-00-710-0037 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BS1?

Key specifications for BS1: Overall Width: 4.125 INCHES NOMINAL IN; Mounting Type: BENCH; Overall Length: 5.500 INCHES NOMINAL IN; Overall Height: 3.125 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6740-00-251-7921 still in active supply?

NSN 6740-00-251-7921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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